<table width="650" border="" cellpadding="10">
<tbody><tr bgcolor="#4169E1">
<th valign="top"><em class="header">Name</em></th>
<th valign="top"><em class="header">Variable(s)</em></th>
<th valign="top"><em class="header">Period of Record</em></th>
<th valign="top"><em class="header">Coverage</em></th>
<th valign="top"><em class="header">Comments</em></th>
</tr>

<tr align="left" bgcolor="white"><td><a href="Data/trenpaol.html">NCAR Sea Level Pressure</a></td>
<td>Sea level pressure</td>
<td>1/1899-Current</td>
<td>Land and Ocean<br>
Daily / Monthly<br> 
5<sup>o</sup> x 5<sup>o</sup><br>
Northern Hemisphere</td>
<td>Gridded analysis of SLP based on land station reports. Quality controlled raw data plus 
empirical corrections for changes in instrumentation and station location.</td>
</tr>


</tbody></table>
